1121099408
domain: N
Appears in sequences
- Binomial coefficient C(41,n).at n=10A010957
- Binomial coefficient C(n,31).at n=10A010984
- a(n) = (4n+1)*binomial(4n,n)/(3n+1).at n=10A052203
- Number of compositions (ordered partitions) of the n-th prime into n nonnegative integers.at n=10A101810
- a(n) = C(prime(n+2), prime(n)).at n=10A125550
- Binomial coefficients C(2*n-9,10).at n=15A196790
- Number of dispersed Dyck prefixes of length 2n and height n.at n=20A283799
- a(n) is the number of positive integers that have n prime factors and these are all <= n.at n=30A377537